Boucher, Bruce, author
Abbeville Press, 1998
Buku Teks
edited by Maureen Meister
MIT Press, [Date of publication not identified]
Buku Teks
editor, Rudolf Schlesinger
Routledge and Kegan Paul, 1951
Buku Teks
Schneider, Louis, author
McGraw-Hill, 1975
Buku Teks
Siegel, Paul N., author
University of Notre Dame Press, 1968
Buku Teks